27777668483 has 8 divisors (see below), whose sum is σ = 29419216848. Its totient is φ = 26136961024.

The previous prime is 27777668467. The next prime is 27777668497. The reversal of 27777668483 is 38486677772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27777668483 - 2⁴ = 27777668467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27777668423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141566 + ... + 274947.

It is an arithmetic number, because the mean of its divisors is an integer number (3677402106).

Almost surely, 2^27777668483 is an apocalyptic number.

27777668483 is a deficient number, since it is larger than the sum of its proper divisors (1641548365).

27777668483 is a wasteful number, since it uses less digits than its factorization.

27777668483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420453.

The product of its digits is 132765696, while the sum is 65.

The spelling of 27777668483 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred sixty-eight thousand, four hundred eighty-three".